Merge pull request google#688 from tamland/python3

Python 3 support

Author: BillyDonahue

googletest/scripts/fuse_gtest_files.py

@@ -60,7 +60,10 @@
 
 import os
 import re
-import sets
+try:
+  from sets import Set as set  # For Python 2.3 compatibility
+except ImportError:
+  pass
 import sys
 
 # We assume that this file is in the scripts/ directory in the Google
@@ -90,10 +93,10 @@ def VerifyFileExists(directory, relative_path):
   """
 
   if not os.path.isfile(os.path.join(directory, relative_path)):
-    print 'ERROR: Cannot find %s in directory %s.' % (relative_path,
-                                                      directory)
-    print ('Please either specify a valid project root directory '
-           'or omit it on the command line.')
+    print('ERROR: Cannot find %s in directory %s.' % (relative_path,
+                                                      directory))
+    print('Please either specify a valid project root directory '
+          'or omit it on the command line.')
     sys.exit(1)
 
 
@@ -119,11 +122,11 @@ def VerifyOutputFile(output_dir, relative_path):
     # TODO([email protected]): The following user-interaction doesn't
     # work with automated processes.  We should provide a way for the
     # Makefile to force overwriting the files.
-    print ('%s already exists in directory %s - overwrite it? (y/N) ' %
-           (relative_path, output_dir))
+    print('%s already exists in directory %s - overwrite it? (y/N) ' %
+          (relative_path, output_dir))
     answer = sys.stdin.readline().strip()
     if answer not in ['y', 'Y']:
-      print 'ABORTED.'
+      print('ABORTED.')
       sys.exit(1)
 
   # Makes sure the directory holding the output file exists; creates
@@ -146,8 +149,8 @@ def ValidateOutputDir(output_dir):
 def FuseGTestH(gtest_root, output_dir):
   """Scans folder gtest_root to generate gtest/gtest.h in output_dir."""
 
-  output_file = file(os.path.join(output_dir, GTEST_H_OUTPUT), 'w')
-  processed_files = sets.Set()  # Holds all gtest headers we've processed.
+  output_file = open(os.path.join(output_dir, GTEST_H_OUTPUT), 'w')
+  processed_files = set()  # Holds all gtest headers we've processed.
 
   def ProcessFile(gtest_header_path):
     """Processes the given gtest header file."""
@@ -159,7 +162,7 @@ def ProcessFile(gtest_header_path):
     processed_files.add(gtest_header_path)
 
     # Reads each line in the given gtest header.
-    for line in file(os.path.join(gtest_root, gtest_header_path), 'r'):
+    for line in open(os.path.join(gtest_root, gtest_header_path), 'r'):
       m = INCLUDE_GTEST_FILE_REGEX.match(line)
       if m:
         # It's '#include "gtest/..."' - let's process it recursively.
@@ -175,7 +178,7 @@ def ProcessFile(gtest_header_path):
 def FuseGTestAllCcToFile(gtest_root, output_file):
   """Scans folder gtest_root to generate gtest/gtest-all.cc in output_file."""
 
-  processed_files = sets.Set()
+  processed_files = set()
 
   def ProcessFile(gtest_source_file):
     """Processes the given gtest source file."""
@@ -187,7 +190,7 @@ def ProcessFile(gtest_source_file):
     processed_files.add(gtest_source_file)
 
     # Reads each line in the given gtest source file.
-    for line in file(os.path.join(gtest_root, gtest_source_file), 'r'):
+    for line in open(os.path.join(gtest_root, gtest_source_file), 'r'):
       m = INCLUDE_GTEST_FILE_REGEX.match(line)
       if m:
         if 'include/' + m.group(1) == GTEST_SPI_H_SEED:
@@ -218,7 +221,7 @@ def ProcessFile(gtest_source_file):
 def FuseGTestAllCc(gtest_root, output_dir):
   """Scans folder gtest_root to generate gtest/gtest-all.cc in output_dir."""
 
-  output_file = file(os.path.join(output_dir, GTEST_ALL_CC_OUTPUT), 'w')
+  output_file = open(os.path.join(output_dir, GTEST_ALL_CC_OUTPUT), 'w')
   FuseGTestAllCcToFile(gtest_root, output_file)
   output_file.close()
 
@@ -242,7 +245,7 @@ def main():
     # fuse_gtest_files.py GTEST_ROOT_DIR OUTPUT_DIR
     FuseGTest(sys.argv[1], sys.argv[2])
   else:
-    print __doc__
+    print(__doc__)
     sys.exit(1)
 
 

googletest/test/gtest_env_var_test.py

@@ -47,8 +47,8 @@
 
 def AssertEq(expected, actual):
   if expected != actual:
-    print 'Expected: %s' % (expected,)
-    print '  Actual: %s' % (actual,)
+    print('Expected: %s' % (expected,))
+    print('  Actual: %s' % (actual,))
     raise AssertionError
 
 

googletest/test/gtest_filter_unittest.py

@@ -44,7 +44,10 @@
 
 import os
 import re
-import sets
+try:
+  from sets import Set as set  # For Python 2.3 compatibility
+except ImportError:
+  pass
 import sys
 
 import gtest_test_utils
@@ -58,7 +61,7 @@
 # exception is thrown if the input is anything other than 'True' nor 'False'.
 os.environ['EMPTY_VAR'] = ''
 child = gtest_test_utils.Subprocess(
-    [sys.executable, '-c', 'import os; print \'EMPTY_VAR\' in os.environ'])
+    [sys.executable, '-c', 'import os; print(\'EMPTY_VAR\' in os.environ)'])
 CAN_PASS_EMPTY_ENV = eval(child.output)
 
 
@@ -71,7 +74,7 @@
 os.environ['UNSET_VAR'] = 'X'
 del os.environ['UNSET_VAR']
 child = gtest_test_utils.Subprocess(
-    [sys.executable, '-c', 'import os; print \'UNSET_VAR\' not in os.environ'])
+    [sys.executable, '-c', 'import os; print(\'UNSET_VAR\' not in os.environ)'])
 CAN_UNSET_ENV = eval(child.output)
 
 
@@ -243,14 +246,14 @@ def AssertPartitionIsValid(self, set_var, list_of_sets):
     for slice_var in list_of_sets:
       full_partition.extend(slice_var)
     self.assertEqual(len(set_var), len(full_partition))
-    self.assertEqual(sets.Set(set_var), sets.Set(full_partition))
+    self.assertEqual(set(set_var), set(full_partition))
 
   def AdjustForParameterizedTests(self, tests_to_run):
     """Adjust tests_to_run in case value parameterized tests are disabled."""
 
     global param_tests_present
     if not param_tests_present:
-      return list(sets.Set(tests_to_run) - sets.Set(PARAM_TESTS))
+      return list(set(tests_to_run) - set(PARAM_TESTS))
     else:
       return tests_to_run
 

googletest/test/gtest_output_test.py

@@ -279,7 +279,7 @@ def RemoveUnsupportedTests(self, test_output):
   def testOutput(self):
     output = GetOutputOfAllCommands()
 
-    golden_file = open(GOLDEN_PATH, 'rb')
+    golden_file = open(GOLDEN_PATH, 'r')
     # A mis-configured source control system can cause \r appear in EOL
     # sequences when we read the golden file irrespective of an operating
     # system used. Therefore, we need to strip those \r's from newlines

googletest/test/gtest_test_utils.py

@@ -178,7 +178,7 @@ def GetTestExecutablePath(executable_name, build_dir=None):
         'Unable to find the test binary "%s". Please make sure to provide\n'
         'a path to the binary via the --build_dir flag or the BUILD_DIR\n'
         'environment variable.' % path)
-    print >> sys.stderr, message
+    sys.stdout.write(message)
     sys.exit(1)
 
   return path

googletest/test/gtest_throw_on_failure_test.py

@@ -70,7 +70,7 @@ def SetEnvVar(env_var, value):
 def Run(command):
   """Runs a command; returns True/False if its exit code is/isn't 0."""
 
-  print 'Running "%s". . .' % ' '.join(command)
+  print('Running "%s". . .' % ' '.join(command))
   p = gtest_test_utils.Subprocess(command)
   return p.exited and p.exit_code == 0
 

googletest/test/gtest_uninitialized_test.py

@@ -46,8 +46,8 @@ def Assert(condition):
 
 def AssertEq(expected, actual):
   if expected != actual:
-    print 'Expected: %s' % (expected,)
-    print '  Actual: %s' % (actual,)
+    print('Expected: %s' % (expected,))
+    print('  Actual: %s' % (actual,))
     raise AssertionError
 
 

googletest/test/gtest_xml_output_unittest.py

@@ -209,7 +209,8 @@ def testDefaultOutputFile(self):
         'gtest_no_test_unittest')
     try:
       os.remove(output_file)
-    except OSError, e:
+    except OSError:
+      e = sys.exc_info()[1]
       if e.errno != errno.ENOENT:
         raise
 

googletest/test/gtest_xml_test_utils.py

@@ -101,7 +101,7 @@ def AssertEquivalentNodes(self, expected_node, actual_node):
     self.assertEquals(
         len(expected_children), len(actual_children),
         'number of child elements differ in element ' + actual_node.tagName)
-    for child_id, child in expected_children.iteritems():
+    for child_id, child in expected_children.items():
       self.assert_(child_id in actual_children,
                    '<%s> is not in <%s> (in element %s)' %
                    (child_id, actual_children, actual_node.tagName))